MESO: Mesoscale Discussion 0883

ACUS11 KWNS 302017
SWOMCD
SPC MCD 302017
MIZ000-302115-

MESOSCALE DISCUSSION 0883
NWS STORM PREDICTION CENTER NORMAN OK
0317 PM CDT THU MAY 30 2013

AREAS AFFECTED...LWR MI

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 302017Z - 302115Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...TSTM ACTIVITY WILL LIKELY INCREASE DURING THE NEXT FEW
HOURS. A PREDOMINATELY LINEAR MODE WILL FAVOR STRONG WIND GUSTS WITH
ISOLATED TORNADOES POSSIBLE. AREA WILL BE MONITORED FOR A POTENTIAL
WW.

DISCUSSION...WIDELY SCATTERED SVR TSTM ACTIVITY IS CURRENTLY ONGOING
AND THIS TREND WILL LIKELY CONTINUE FOR THE NEXT FEW HOURS. DIURNAL
HEATING WITHIN A MOIST BOUNDARY LAYER HAS CREATED AN UNSTABLE
ENVIRONMENT SUPPORTIVE OF MLCAPE AROUND 1000-1500 J PER KG. WHILE
THE BEST SHEAR CURRENTLY REMAINS TO THE W...INCREASING LOW TO
MID-LEVEL FLOW IS EXPECTED AS THE SHORTWAVE TROUGH CONTINUES TO
PIVOT THROUGH THE MID MO AND UPPER MS RIVER VALLEYS. THIS WILL
LIKELY SUPPORT ORGANIZED LINEAR STRUCTURES WILL A PRIMARY THREAT OF
DAMAGING WINDS. GIVEN THE MOIST LOW-LEVEL ENVIRONMENT...ISOLATED
TORNADOES ARE ALSO POSSIBLE. TRENDS WILL BE MONITORED FOR A POSSIBLE
WW.

..MOSIER/MEAD.. 05/30/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...DTX...APX...GRR...

LAT...LON 45388519 45518449 44918336 43168259 42218326 42528589
44548632 44988599 45388519

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